20872514

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1734

約数の個数: 24

約数和(自身を含む): 34839540

約数和(自身を除く): 13967026

約数列:

[1, 2, 13, 26, 37, 74, 169, 338, 481, 962, 1669, 3338, 6253, 12506, 21697, 43394, 61753, 123506, 282061, 564122, 802789, 1605578, 10436257, 20872514]

約数ペア:

[(1, 20872514), (2, 10436257), (13, 1605578), (26, 802789), (37, 564122), (74, 282061), (169, 123506), (338, 61753), (481, 43394), (962, 21697), (1669, 12506), (3338, 6253)]